Investigation on Preparation of Ultrafine Zirconium Hydroxide Particles

超细 氢 氧化 锆颗粒制备试验研究

Effects of crystallization of zirconium hydroxide on the isomerization performances of pt / wo_3-zro_2

Zr（ OH）4的晶化对Pt/WO3-ZrO2异构化反应性能的影响

The submicron white Y_2O_3-PSZ pow - ders are obtained after calcination of the precursor zirconium hydroxide .

氢 氧化 锆前身粉末煅烧以后，可以得到亚微米级白色的Y-PSZ微粉。

SO ~ ( 2 - ) _4 / ZrO_2 solid acid catalyst was prepared from hydrothermally modified zirconium hydroxide .

通过水热改性 氢 氧化 锆制备了SO42-/ZrO2固体酸催化剂。

Using octahydrate zirconium oxychloride and ammonia liquor ( or sodium hydroxide ) as raw materials through chemical reaction at appropriate hydrothermal condition in high pressure vessel particulate building and crystal developing are realized from atom and molecule .

以八水合氯氧化 锆和氨水（ 氢氧化钠）为原料，通过高压釜中适合水热条件的化学反应，实现了原子、分子级的微粒构筑和晶体生长。

The starting temperature of crystallization for the peroxidation zirconic acid precursor during the heating process is higher than that of zirconium hydroxide .

过氧化锆酸前驱体在加热过程中开始晶化的温度要比 氢 氧化 锆晶化温度高。

Mol % Y 2O 3-ZrO 2 ultrafine powder is prepared by chemical coprecipitated method . It was used in the experiments that Zirconium hydroxide was washed by ethanol or acetone to break the agglomerate particles .

采用共沉淀法制备 3mol%Y2O3－ZrO2超细粉末，使用乙醇或 丙酮洗涤沉淀，以消除颗粒团聚。

Effect of processing conditions on the properties of zirconium hydroxide gels

工艺条件对 氢氧化 锆凝胶性能的影响

Study on Fractal Aspects of Aggregate Structure of Zirconium Hydroxide Dried Gels and Surface Roughness of Ultrafine Zirconia Powders

氢 氧化 锆干凝胶团聚结构及氧化锆超细粉末表面粗糙度的分形研究

SO_4 ~ ( 2 - ) / ZrO_2 solid acid catalyst was prepared from hydrothermally modified zirconium hydroxide . The liquid phase esterification of acetic acid with 1-butanol was preformed to confirm the optimal conditions of preparation .

本文通过水热改性 氢 氧化 锆制备SO4~（2-）／ZrO2固体酸催化剂，以冰乙酸和正丁醇的酯化反应为探针反应来确定固体超强酸的最佳制备条件。

Firstly amorphous zirconium hydroxide precursor is synthesized by heating of alcohol-aqueous salt solution and then the precursor is calcined under low temperature in air to obtain amorphous nanoparticles .

首先制备 氢氧化锆前驱体，然后对前驱体进行低温煅烧得到非晶态 氧化 锆纳米颗粒。

Cu / ZrO_2 catalyst for dehydrogenation of diethanolamine to diglycolamidic salt was prepared from copper nitrate and zirconium perchlorate by co-precipitation using sodium hydroxide as precipitating agent .

以硝酸铜和高氯酸 锆为原料， 氢氧化钠为沉淀剂，采用共沉淀法制备了Cu/ZrO2催化剂。